Oracle® Fusion Middleware C++ API Reference for Oracle Coherence
14c (14.1.1.0.0)
F23533-01

HashHelper Class Reference

#include <coherence/util/HashHelper.hpp>

Inherits Object.

List of all members.

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Detailed Description

This abstract class contains helper functions for calculating hash code values for any group of C++ intrinsics.

Author:

hr 2011.08.30

Since:

Coherence 12.1.2

Public Types
typedef spec::Handle	Handle
	HashHelper Handle definition.
typedef spec::View	View
	HashHelper View definition.
typedef spec::Holder	Holder
	HashHelper Holder definition.
Static Public Member Functions
static size32_t	hash (bool fValue, size32_t nHash)
	Calculate a running hash using the boolean value.
static size32_t	hash (octet_t bValue, size32_t nHash)
	Calculate a running hash using the octet_t value.
static size32_t	hash (wchar16_t chValue, size32_t nHash)
	Calculate a running hash using the wchar16_t value.
static size32_t	hash (float64_t dflValue, size32_t nHash)
	Calculate a running hash using the float64_t value.
static size32_t	hash (float32_t flValue, size32_t nHash)
	Calculate a running hash using the float32_t value.
static size32_t	hash (int32_t nValue, size32_t nHash)
	Calculate a running hash using the int32_t value.
static size32_t	hash (int64_t lValue, size32_t nHash)
	Calculate a running hash using the int64_t value.
static size32_t	hash (size32_t nValue, size32_t nHash)
	Calculate a running hash using the size32_t value.
static size32_t	hash (size64_t lValue, size32_t nHash)
	Calculate a running hash using the size64_t value.
static size32_t	hash (int16_t shValue, size32_t nHash)
	Calculate a running hash using the int16_t value.
static size32_t	hash (Object::View vValue, size32_t nHash)
	Calculate a running hash using the Object value.
template<class T>
static size32_t	hash (const TypedHandle< Array< T > > &ha, size32_t nHash)
	Calculate a running hash using the array delegating to the runtime type for each element.
static size32_t	hash (ObjectArray::View avValue, size32_t nHash)
	Calculate a running hash using the ObjectArray value.
static size32_t	hash (Collection::View vCol, size32_t nHash)
	Calculate a running hash using the Collection value.
Static Protected Member Functions
static size32_t	swizzle (size32_t nHash)
	Shift the running hash value to try and help with generating unique values given the same input, but in a different order.

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Member Function Documentation

static size32_t hash	(	bool	fValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the boolean value.

Parameters:

	fValue	the boolean value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	octet_t	bValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the octet_t value.

Parameters:

	bValue	the octet_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	wchar16_t	chValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the wchar16_t value.

Parameters:

	chValue	the wchar16_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	float64_t	dflValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the float64_t value.

Parameters:

	dflValue	the float64_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	float32_t	flValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the float32_t value.

Parameters:

	flValue	the float32_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	int32_t	nValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the int32_t value.

Parameters:

	nValue	the int32_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	int64_t	lValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the int64_t value.

Parameters:

	nValue	the int64_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	size32_t	nValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the size32_t value.

Parameters:

	nValue	the size32_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	size64_t	lValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the size64_t value.

Parameters:

	lValue	the size64_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	int16_t	shValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the int16_t value.

Parameters:

	shValue	the int16_t value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	Object::View	vValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the Object value.

Parameters:

	vValue	the Object value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	const TypedHandle< Array< T > > &	ha,
		size32_t	nHash
	)			[inline, static]

Calculate a running hash using the array delegating to the runtime type for each element.

Parameters:

	ha	the array for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	ObjectArray::View	avValue,
		size32_t	nHash
	)			[static]

Calculate a running hash using the ObjectArray value.

Parameters:

	avValue	the ObjectArray value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t hash	(	Collection::View	vCol,
		size32_t	nHash
	)			[static]

Calculate a running hash using the Collection value.

Parameters:

	vCol	the Collection value for use in the hash
	nHash	the running hash value

Returns:

the resulting running hash value

static size32_t swizzle

(

size32_t

nHash

)

[static, protected]

Shift the running hash value to try and help with generating unique values given the same input, but in a different order.

Parameters:

nHash

the running hash value

Returns:

the resulting running hash value

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The documentation for this class was generated from the following file:

• coherence/util/HashHelper.hpp

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